Energy audits have multiple goals including reducing energy consumption, managing costs and environmental impact. Improving the energy performance of existing buildings through energy retrofit measures is a great opportunity for developing sustainability in our structures and developing a green building economy. Green Energy Audit of Buildings considers this opportunity with a new and modern interpretation of the classic methodologies. This comprehensive guide to green energy audits integrates energy audit and LEED® methodologies to focus on energy and environment as strategic elements. In addition to these methodologies, Green Energy Audit of Buildings includes 45 check-list for field surveys and 97 technical sheets of possible energy retrofit actions that can be applied to existing real-world cases. Covering both the technical and economical points of view, Green Energy Audit of Buildings provides a comprehensive understanding and method for analyzing buildings and facilities in order to promote sustainability. Engineers, architects, energy assessors and mangers in charge of building maintenance will all find this a key reference as well as lecturers, students and researchers looking to develop their understanding of sustainable buildings.